CN104113034A - Cable built-in optical fiber intermediate joint and connecting method thereof - Google Patents
Cable built-in optical fiber intermediate joint and connecting method thereof Download PDFInfo
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- CN104113034A CN104113034A CN201410373971.0A CN201410373971A CN104113034A CN 104113034 A CN104113034 A CN 104113034A CN 201410373971 A CN201410373971 A CN 201410373971A CN 104113034 A CN104113034 A CN 104113034A
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Abstract
The invention discloses a cable built-in optical fiber intermediate joint and a connecting method thereof. The cable built-in optical fiber intermediate joint and the connecting method thereof are used for connecting two cables, and optical fibers are arranged in cable cores. The cable built-in optical fiber intermediate joint comprises a connecting pipe and two extruding barrels; the connecting pipe is gradually thickened from two ends to the middle, and a plurality of longitudinal through open seams are designed in two ends of the connecting pipe respectively; a leading-out hole is formed in the middle of the connecting pipe; wire cores at tail ends of the two cables are inserted into two ends of the connecting pipe respectively; the two extruding barrels sleeve the outside of the two ends of the connecting pipe respectively and extrude the connecting pipe to decrease the open seams by gradually moving towards the middle of the connecting pipe so that the two ends of the connecting pipe are connected with the wire cores of tail ends of the cables in an extruding mode. The optical fibers of the two cables are led out through the leading-out hole to be connected together. According to the cable built-in optical fiber intermediate joint and the connecting method thereof, compared with methods that pressure connecting pipes made of copper or aluminum materials are subjected to forced deformation by pressure clamps of press moulds to be connected with the wire cores of the tail ends of the cables, the connecting method has the advantages that damages to the wire cores of the tail ends of the cables and damages to the optical fibers in the cables are absent.
Description
Technical field
The present invention relates to a kind of cable built-in fiber transition joint and attaching method thereof.
Background technology
Refer to Fig. 1, cable intermediate joint, in order to connect two cables, comprises two cable end pieces 1 ', an aluminium hydraulic pressed connecting pipe 2 ', a conductive shield pipe 3 ' and splice insulation cover 4 '.Aluminium hydraulic pressed connecting pipe 2 ' is enclosed within outside two cable end piece cores 11 ' and the core of two cable end pieces 1 ' 11 ' is crimped on together.Conductive shield pipe 3 ' is enclosed within outside aluminium hydraulic pressed connecting pipe 2 ', and conductive shield pipe 3 ' two ends are enclosed within respectively in the main insulation 12 ' of two cable end pieces 1 '.Wherein, conductive shield pipe 3 ' can be in advance on splice insulation cover 4 '.
Yet, above-mentioned transition joint adopts aluminium hydraulic pressed connecting pipe 2 ' by two cable end piece core 11 ' crimping, when crimping, the pressing tongs of use pressing mold makes the aluminium hydraulic pressed connecting pipe 2 ' imposed deformation of copper or aluminium material, thereby be connected with cable conductor, this compression bonding method can be destroyed because crimping causes the core of cable end piece, if conductor built-in has other structures such as optical fiber, conductor internal structure will inevitably be destroyed.
Summary of the invention
The cable built-in fiber transition joint that the object of the present invention is to provide a kind of core that can not make cable end piece when connecting to be destroyed.
For achieving the above object, cable built-in fiber provided by the present invention transition joint, in order to connect two cables, cable core is built-in with optical fiber, comprises a tube connector and two recipients.Tube connector be two ends to centre chap shape gradually, the two ends of tube connector are respectively equipped with some cracking of longitudinally running through.The centre of tube connector is provided with fairlead.The core of two cable end pieces inserts respectively the two ends of tube connector.Two recipients are enclosed within respectively outside the two ends of tube connector and link together by making to crack to diminish and then the core of tube connector two ends and cable end piece is pushed to mobile extruded joint pipe in the middle of tube connector gradually.The optical fiber of two cables is drawn by fairlead and is linked together.
Preferably, described tube connector two ends inwall is provided with internal thread, and together with internal thread is connected with the core of cable end piece, this has increased connective stability and fastness.
Preferably, described tube connector and two recipient overcoats have equal gland.
Preferably, further comprise a conductive shield pipe, these conductive shield pipe two ends are enclosed within respectively in the main insulation of two cable end pieces, and described equal gland is positioned at conductive shield pipe.
Preferably, further comprise an insulation medial head, described insulation medial head is coated in the main insulation of described conductive shield pipe and two cable end pieces.
Preferably, described conductive shield pipe is in advance in insulation medial head.
Preferably, described insulation medial head is cold-contraction type medial head or thermal shrinkage type medial head.
The present invention also provides the method for attachment of a kind of cable built-in fiber transition joint, adopt a tube connector and two recipients, described tube connector be two ends to centre chap shape gradually, the two ends of described tube connector are respectively equipped with some cracking of longitudinally running through, the centre of described tube connector is provided with fairlead, comprises the steps:
Step 1, gets two sections of cables, the semiconductive shielding layer of cable end piece is divested, and excise one section of cable main insulation, exposes cable core;
Step 2, is installed to insulation medial head and conductive shield pipe wherein on a cable in advance;
Step 3, is enclosed within two recipients respectively on the core of two cable end pieces;
Step 4, the two ends of the core of two cable end pieces being inserted respectively to tube connector;
Step 5, two recipients are enclosed within respectively outside the two ends of tube connector, and by cracking of tube connector two ends being diminished to the middle mobile extruded joint pipe of tube connector gradually two recipients, thereby the internal diameter at tube connector two ends diminishes, and then the core extruding of tube connector two ends and cable end piece is linked together;
Step 6, the optical fiber of described two cables is drawn by fairlead and is linked together;
Step 7, is placed on conductive shield pipe and insulation medial head to the main insulation at cable two ends.
Preferably, described tube connector two ends inwall is provided with internal thread, together with internal thread is connected with the core of cable end piece.
Preferably, described tube connector and two recipient overcoats have equal gland.
Preferably, described insulation medial head prefabricated with conductive shield pipe together with.
As mentioned above, cable built-in fiber of the present invention transition joint comprises tube connector and two recipients, by the core of two cable end pieces being inserted respectively to the two ends of tube connector, two recipients are enclosed within respectively outside the two ends of tube connector and link together by making to crack to diminish and then the core of tube connector two ends and cable end piece is pushed to mobile extruded joint pipe in the middle of tube connector gradually, with the pressing tongs by pressing mold, the aluminium hydraulic pressed connecting pipe imposed deformation of copper or aluminium material is compared with the method coupling together with the core of cable end piece, can not make the core of cable end piece be destroyed, guarantee the useful life of cable built-in fiber transition joint.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of the cable intermediate joint of background technology;
Fig. 2 is the structural representation of cable built-in fiber of the present invention transition joint.
Embodiment
By describing technology contents of the present invention, structural feature in detail, being realized object and effect, below in conjunction with execution mode and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 2, cable built-in fiber of the present invention transition joint, in order to connect two cables, comprises two cable end pieces 1, a tube connector 2, the equal gland 4 of two recipients 3,, a conductive shield pipe 5 and insulation medial head 6.
Tube connector 2 be two ends to centre chap shape gradually, this can shape can facilitate the supporting extruding of recipient 3.The two ends of tube connector 2 are respectively equipped with some (not shown) that crack that longitudinally run through, cracking is that two ends internal diameter can be shunk by diminishing of cracking in two ends when being squeezed, two ends in order to make tube connector 2, and then the extruding of the core of tube connector 2 two ends and cable end piece 1 links together.The centre of tube connector 2 is provided with fairlead 22.
The core 11 of two cable end pieces 1 inserts respectively the two ends of tube connector 2.Core 11 is built-in with optical fiber 13.Two recipients 3 are enclosed within respectively outside the two ends of tube connector 2 and link together by making to crack to diminish and then the core 11 of tube connector 2 two ends and cable end piece 1 is pushed to mobile extruded joint pipes in the middle of tube connector 2 gradually.The optical fiber 13 of two cable end pieces 1 is drawn by fairlead and is linked together.
Preferably, described tube connector 2 two ends inwalls are provided with internal thread 21, and together with when extruding, internal thread 21 is connected with the core 11 of cable end piece 1, this has increased connective stability and fastness.
Tube connector 2 and two recipient 3 overcoats have equal gland 4.
Conductive shield pipe 5 two ends are enclosed within respectively in the main insulation of two cable end pieces 1, and all gland 4 is positioned at conductive shield pipe 5.
Insulation medial head 6 is coated in the main insulation of conductive shield pipe 5 and two cable end pieces 1.
Preferably, described conductive shield pipe 5 is in advance in insulation medial head 6.
Preferably, described insulation medial head 6 is cold-contraction type medial head or thermal shrinkage type medial head.
The method of attachment of cable built-in fiber of the present invention transition joint, comprises the steps:
Step 1, gets two sections of cables, the semiconductive shielding layer of cable end piece 1 is divested, and excise one section of cable main insulation, exposes cable core 11;
Step 2, is installed to insulation medial head 6 and conductive shield pipe 5 wherein on a cable in advance;
Step 3, is enclosed within two recipients 3 respectively on the core of two cable end pieces 1 11;
Step 4, the two ends of the core of two cable end pieces 1 11 being inserted respectively to tube connector 2;
Step 5, two recipients 3 are enclosed within respectively outside the two ends of tube connector 2, and by cracking of tube connector two ends being diminished to the middle mobile extruded joint pipe 2 of tube connector 2 gradually two recipients 3, thereby the internal diameter at tube connector two ends diminishes, and then core 11 extruding of tube connector 2 two ends and cable end piece 1 are linked together;
Step 6, the optical fiber of described two cables is drawn by fairlead and is linked together;
Step 7, is placed on conductive shield pipe 5 and insulation medial head 6 to 1 main insulation of two cable end pieces.
Preferably, described tube connector 2 two ends inwalls are provided with internal thread 21, together with internal thread is connected with the core 11 of cable end piece 1.
Preferably, described tube connector 2 and two recipient 3 overcoats have equal gland 4.
Preferably, described insulation medial head 6 prefabricated with conductive shield pipe 5 together with.
In addition, be pointed out that, in step 6, the optical fiber of two cables by fairlead, draw and this operation that links together also can be after step 4, operate before step 5.
In sum, cable built-in fiber of the present invention transition joint comprises tube connector 2 and two recipients 3, by the core of two cable end pieces 1 11 being inserted respectively to the two ends of tube connector 2, two recipients 3 are enclosed within respectively outside the two ends of tube connector 2 and link together by making to crack to diminish and then the core 11 of tube connector 2 two ends and cable end piece 1 is pushed to mobile extruded joint pipes 2 in the middle of tube connector 2 gradually, with the pressing tongs by pressing mold, the aluminium hydraulic pressed connecting pipe imposed deformation of copper or aluminium material is compared with the method coupling together with the core of cable end piece, can not make the core of cable end piece be destroyed, guarantee the useful life of cable built-in fiber transition joint.
The present invention is not limited to above-mentioned embodiment, and those skilled in the art also can make multiple variation accordingly, but any and the present invention are equal to or similar variation all should be encompassed in the scope of the claims in the present invention.
Claims (12)
1. cable built-in fiber transition joint, in order to connect two cables, cable core is built-in with optical fiber, it is characterized in that: comprise a tube connector and two recipients, described tube connector be two ends to centre chap shape gradually, the two ends of described tube connector are respectively equipped with some cracking of longitudinally running through, the centre of described tube connector is provided with fairlead, the core of described two cable end pieces inserts respectively the two ends of tube connector, described two recipients are enclosed within respectively outside the two ends of tube connector and link together by making to crack to diminish and then the core of tube connector two ends and cable end piece is pushed to mobile extruded joint pipe in the middle of tube connector gradually, the optical fiber of described two cables is drawn by fairlead and is linked together.
2. cable built-in fiber according to claim 1 transition joint, is characterized in that: described tube connector two ends inwall is provided with internal thread.
3. cable built-in fiber according to claim 1 transition joint, is characterized in that: described tube connector and two recipient overcoats have equal gland.
4. cable built-in fiber according to claim 3 transition joint, is characterized in that: further comprise a conductive shield pipe, these conductive shield pipe two ends are enclosed within respectively in the main insulation of two cable end pieces, and described equal gland is positioned at conductive shield pipe.
5. cable built-in fiber according to claim 4 transition joint, is characterized in that: further comprise an insulation medial head, described insulation medial head is coated in the main insulation of described conductive shield pipe and two cable end pieces.
6. cable built-in fiber according to claim 5 transition joint, is characterized in that: further comprise that conductive shield pipe is in advance in insulation medial head.
7. according to the cable built-in fiber transition joint described in claim 5 or 6, it is characterized in that: described insulation medial head is cold-contraction type medial head.
8. according to the cable built-in fiber transition joint described in claim 5 or 6, it is characterized in that: described insulation medial head is thermal shrinkage type medial head.
9. the method for attachment of cable built-in fiber transition joint, cable core is built-in with optical fiber, it is characterized in that adopting a tube connector and two recipients, described tube connector be two ends to centre chap shape gradually, the two ends of described tube connector are respectively equipped with some cracking of longitudinally running through, the centre of described tube connector is provided with fairlead, comprises the steps:
Step 1, gets two sections of cables, the semiconductive shielding layer of cable end piece is divested, and excise one section of cable main insulation, exposes cable core;
Step 2, is installed to insulation medial head and conductive shield pipe wherein on a cable in advance;
Step 3, is enclosed within two recipients respectively on the core of two cable end pieces;
Step 4, the two ends of the core of two cable end pieces being inserted respectively to tube connector;
Step 5, two recipients are enclosed within respectively outside the two ends of tube connector, and by cracking of tube connector two ends being diminished to the middle mobile extruded joint pipe of tube connector gradually two recipients, thereby the internal diameter at tube connector two ends diminishes, and then the core extruding of tube connector two ends and cable end piece is linked together;
Step 6, the optical fiber of described two cables is drawn by fairlead and is linked together;
Step 7, is placed on conductive shield pipe and insulation medial head to the main insulation at cable two ends.
10. the method for attachment of cable built-in fiber according to claim 9 transition joint, is characterized in that: described tube connector two ends inwall is provided with internal thread, together with internal thread is connected with the core of cable end piece.
The method of attachment of 11. cable built-in fiber according to claim 9 transition joints, is characterized in that: described tube connector and two recipient overcoats have equal gland.
The method of attachment of 12. cable built-in fiber according to claim 9 transition joints, is characterized in that: together with described insulation medial head is prefabricated with conductive shield pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373971.0A CN104113034A (en) | 2014-08-01 | 2014-08-01 | Cable built-in optical fiber intermediate joint and connecting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373971.0A CN104113034A (en) | 2014-08-01 | 2014-08-01 | Cable built-in optical fiber intermediate joint and connecting method thereof |
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| CN104113034A true CN104113034A (en) | 2014-10-22 |
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| CN201410373971.0A Pending CN104113034A (en) | 2014-08-01 | 2014-08-01 | Cable built-in optical fiber intermediate joint and connecting method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994359A (en) * | 2017-12-22 | 2018-05-04 | 深圳市沃尔核材股份有限公司 | The adapter assembly and connector connecting method of built-in fiber cable |
| CN113991591A (en) * | 2021-09-29 | 2022-01-28 | 重庆泰山电缆有限公司 | Leading-out device and method for built-in double-optical-fiber high-voltage cable terminal |
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| JP2005148462A (en) * | 2003-11-17 | 2005-06-09 | Fujikura Ltd | Method for branching optical fiber cable, assembly method of closure, and closure |
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| CN202167631U (en) * | 2011-08-12 | 2012-03-14 | 渑池县电业总公司 | Cable conductor connecting pipe |
| CN103208770A (en) * | 2013-04-28 | 2013-07-17 | 深圳市沃尔核材股份有限公司 | 110kV cable intermediate head accessory and connection method thereof |
| CN204030541U (en) * | 2014-08-01 | 2014-12-17 | 深圳市沃尔核材股份有限公司 | A kind of cable built-in optical fiber transition joint |
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2014
- 2014-08-01 CN CN201410373971.0A patent/CN104113034A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005148462A (en) * | 2003-11-17 | 2005-06-09 | Fujikura Ltd | Method for branching optical fiber cable, assembly method of closure, and closure |
| CN101459329A (en) * | 2007-12-13 | 2009-06-17 | 上海波汇通信科技有限公司 | Middle joint of high voltage electric cable for connecting composite optical fiber and connecting method |
| CN202167631U (en) * | 2011-08-12 | 2012-03-14 | 渑池县电业总公司 | Cable conductor connecting pipe |
| CN103208770A (en) * | 2013-04-28 | 2013-07-17 | 深圳市沃尔核材股份有限公司 | 110kV cable intermediate head accessory and connection method thereof |
| CN204030541U (en) * | 2014-08-01 | 2014-12-17 | 深圳市沃尔核材股份有限公司 | A kind of cable built-in optical fiber transition joint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107994359A (en) * | 2017-12-22 | 2018-05-04 | 深圳市沃尔核材股份有限公司 | The adapter assembly and connector connecting method of built-in fiber cable |
| CN107994359B (en) * | 2017-12-22 | 2024-02-02 | 深圳市沃尔核材股份有限公司 | Joint assembly of built-in optical fiber cable and joint connection method |
| CN113991591A (en) * | 2021-09-29 | 2022-01-28 | 重庆泰山电缆有限公司 | Leading-out device and method for built-in double-optical-fiber high-voltage cable terminal |
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Application publication date: 20141022 |